On this day in 1810, readers learned that Michael Walsh’s Evening School would open while Nancy Searle would move her school from Boardman Street to Pleasant Street. She would instruct ...

These so-called Venus co-orbital asteroids are currently undetected because of their alignment in the sky but could one day drift into Earth’s path, at least according to simulations combining ...

Astronomy is increasingly becoming an online affair. Recent discoveries of interstellar Comet 3I/ATLAS and R2 SWAN have highlighted this fact, when both were first discussed on message boards and ...

The universe is approaching the midpoint of its 33-billion-year lifespan, a Cornell physicist calculates with new data from ...

• On the evening of Oct. 9, the moon will pass through the Pleiades star cluster. Use binoculars to see some of its stars around the moon, and use a telescope to see stars pop out along the dark edge ...

October's longer nights bring two transits of Titan across Saturn, while Io and Europa tango together across Jupiter three times. Mercury and Mars make a brief evening appearance, and Venus dominates ...

New data from the James Webb Space Telescope may solve a riddle from the universe’s beginnings. A compact, distant object ...

First Peoples Buffalo Jump State Park hosts October astronomy events designed to showcase Montana's dark skies ...

The moon is sometimes called "two-faced" because the surface of its side perpetually facing away from Earth looks so different than its side always facing our planet. And the differences run deeper ...

The Celestron Trailseeker 8x42 binoculars are at their cheapest since 2023 at $190, ready for Prime Day in October.

The Illinois State University Planetarium is acknowledging International Observe the Moon Night with a free event this weekend.